- Base
- foot
- Lowest point
- Secondary
- Underside
- The lowest part of anything; the foot; as, the bottom of a
tree or well; the bottom of a hill, a lane, or a page.
- The part of anything which is beneath the contents and
supports them, as the part of a chair on which a person sits, the
circular base or lower head of a cask or tub, or the plank floor of a
ship's hold; the under surface.